Entegris to Present at Investor Conferences

15th Annual Needham Growth Conference on Tuesday, January 15, 2013 at the New York Palace Hotel in New York City. Entegris will present at 11:20 a.m. A link to a webcast of the Company's presentation can be found at the following link: http://investor.entegris.com/events.cfm

13th Annual CJS Securities "New Ideas for the New Year" Investor Conference on Wednesday, January 16, 2013 in New York City. Bertrand Loy, Entegris' president and CEO, will provide an overview of the company, discuss its competitive position and its strategies for growth.

For information about Entegris' participation in these conferences or to get a copy of the presentation material, please contact Steve Cantor, vice president of corporate relations, by telephone at 978-436-6500.

ABOUT ENTEGRIS

Entegris provides a wide range of products for purifying, protecting and transporting critical materials used in processing and manufacturing in semiconductor and other high-tech industries. Entegris is ISO 9001 certified and has manufacturing, customer service or research facilities in the United States, China, France, Germany, Israel, Japan, Malaysia, Singapore, South Korea and Taiwan. Additional information can be found at www.entegris.com.